US Bridges

TR 106 over Lake Fork Drain Dit

Good

Piatt County, Illinois · 2.0 MI SE Bement · Structure no. 074319500000000

Built
1982
43 years old
Condition
Good
inspected November 2022
Type
Slab
Concrete Continuous
Length
61 ft
3 main spans
Daily traffic
50
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 106 over Lake Fork Drain Dit is a concrete continuous slab carrying TR 106 over Lake Fork Drain Dit in Piatt County, Illinois. It was built in 1982, so it is 43 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, projected to reach 51 by 2046. The structure is 61 ft (18.6 m) long and 24 ft wide.

CarriesTR 106
CrossesLake Fork Drain Dit
Location2.0 MI SE Bement
RouteCounty Highway 0
Coordinates39.89713, -88.53773
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length61 ft (18.6 m)
Longest span23 ft (7 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2020)
Projected traffic51 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 106 over Lake Fork Drain Dit built?

It was built in 1982, making it 43 years old in 2025.

What condition is TR 106 over Lake Fork Drain Dit in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2022.

How much traffic does TR 106 over Lake Fork Drain Dit carry?

About 50 vehicles per day (2020 count).

How long is TR 106 over Lake Fork Drain Dit?

The structure is 61 ft (18.6 m) long with a longest span of 23 ft (7 m) and a deck 24 ft wide.

Who owns TR 106 over Lake Fork Drain Dit?

It is owned by the Town or Township Highway Agency.